Tips on how to deal with interview questions that date your age. There’s an unspoken elephant in the room whenever Fred Peters [job seeker] is interviewed for a job. Even though it is illegal for potential employers to ask his age, he knows it is on their minds. “I’ve found you have to deal with the age factor up front,” says Mr. Peters, who is 63 and until 2008 was chief financial officer of the now-defunct software maker Digital Fairway Corp. in Toronto.